ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Orange BoxesCan be changed to alter the fluid properties
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Green BoxesCan be changed to alter the nature of the thermal processes
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Red BoxesDo not change. They are performing the calculations to run the model
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Results Summary
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Net heat added209.22kJ/kg
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Net work extracted97.65kJ/kg
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Overall Efficiency46.67%
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Carnot Efficiency74.94%
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Fluid Properties
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Cv0.7kJ/kg
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Cp1kJ/kg
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γ1.43Must always be greater than 1. If not, reduce the value of Cv or increase Cp
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Initial Conditions
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Pressure100kPa
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Temperature100K
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Specific Volume0.3m³/kg
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First Process
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Final Pressure400kPa
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Polytropic Exponent6100 for constant pressure, 1 for constant temperature, γ for adiabatic, arbitrarily large to approach constant volume
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Equation will break down if it goes too high, this is a precision issue with Sheets. Just dial value back down a little to get an approximation
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Final Specific Volume0.30m³/kg
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Final Temperature399.09K
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Work Done-0.15kJ/kg
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Heat Transferred209.22kJ/kg
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Second Process
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Final Pressure10kPa
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Polytropic Exponent1.430 for constant pressure, 1 for constant temperature, γ for adiabatic, arbitrarily large to approach constant volume
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Final Specific Volume3.96m³/kg
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Final Temperature131.96K
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Work Done186.99kJ/kg
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Heat Transferred0.00kJ/kg
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Third Process (Closing Cycle)
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Final Pressure100kPa
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Polytropic Exponent0.8924945721
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Final Specific Volume0.30m³/kg
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Final Temperature100.00K
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Work Done-89.20kJ/kg
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Heat Transferred-111.57kJ/kg
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